72% of the students of a certain class took biology and 44% took math. if each student took atleast one subject from biology or maths and 80 tooks both, then find the total no. of student in the class?
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Percentage of students took Biology = 72%
Percentage of students took Mathematics = 44%
Percentage of students took both subjects
=(72+44)−100
=16%
According to the question,
Total number of students
=80/16×100
=500
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